Robtex

Up: 88.221.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 88.221.68.0/23
Down right: 88.221.70.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
88.221.68.38	PTR	a88-221-68-38.deploy.akamaitechnologies.com
88.221.68.41	PTR	a88-221-68-41.deploy.akamaitechnologies.com
88.221.68.80	A	capitalinternational.co.jp
88.221.68.147	PTR	a88-221-68-147.deploy.akamaitechnologies.com
88.221.68.209	A+PTR	a88-221-68-209.deploy.akamaitechnologies.com
88.221.68.231	A+PTR	a88-221-68-231.deploy.akamaitechnologies.com
88.221.68.238	PTR	a88-221-68-238.deploy.static.akamaitechnologies.com
88.221.68.238	A	e10347.dscd.akamaiedge.net
88.221.68.243	PTR	a88-221-68-243.deploy.akamaitechnologies.com
88.221.68.243	A	termbmo.com
88.221.68.243	A	bmoinsurancecompany.com
88.221.69.13	A+PTR	a88-221-69-13.deploy.akamaitechnologies.com
88.221.69.16	PTR	a88-221-69-16.deploy.akamaitechnologies.com
88.221.69.26	PTR	a88-221-69-26.deploy.akamaitechnologies.com
88.221.69.96	A+PTR	a88-221-69-96.deploy.akamaitechnologies.com
88.221.69.105	PTR	a88-221-69-105.deploy.akamaitechnologies.com
88.221.69.107	PTR	a88-221-69-107.deploy.akamaitechnologies.com
88.221.69.127	PTR	a88-221-69-127.deploy.akamaitechnologies.com
88.221.69.133	PTR	a88-221-69-133.deploy.akamaitechnologies.com
88.221.69.145	PTR	a88-221-69-145.deploy.akamaitechnologies.com
88.221.69.159	A+PTR	a88-221-69-159.deploy.akamaitechnologies.com
88.221.69.165	PTR	a88-221-69-165.deploy.static.akamaitechnologies.com
88.221.69.211	PTR	a88-221-69-211.deploy.akamaitechnologies.com
88.221.70.16	PTR	a88-221-70-16.deploy.akamaitechnologies.com
88.221.70.16	A	groupon.nl
88.221.70.41	A+PTR	a88-221-70-41.deploy.akamaitechnologies.com
88.221.70.87	PTR	a88-221-70-87.deploy.akamaitechnologies.com
88.221.70.232	A	a88-221-70-232.deploy.akamaitechnologies.com
88.221.70.247	PTR	a88-221-70-247.deploy.akamaitechnologies.com
88.221.70.247	A	retailmenot.com
88.221.71.67	PTR	a88-221-71-67.deploy.akamaitechnologies.com
88.221.71.91	PTR	a88-221-71-91.deploy.akamaitechnologies.com
88.221.71.104	PTR	a88-221-71-104.deploy.akamaitechnologies.com
88.221.71.175	PTR	a88-221-71-175.deploy.akamaitechnologies.com
88.221.71.238	A+PTR	a88-221-71-238.deploy.akamaitechnologies.com